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Finding the Fourth Proportional to 349,372.61, 524,169.68 and 124,728.22

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Solution

The fourth proportional to 349,372.61, 524,169.68 and 124,728.22 is: 187,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,372.61 : 524,169.68 = 124,728.22 : x
  2. Step 2: Convert to fraction form
    349,372.61/524,169.68 = 124,728.22/x
  3. Step 3: Cross multiply
    349,372.61x = 524,169.68 × 124,728.22
  4. Step 4: Simplify right side
    349,372.61x = 65,378,751,164.37
  5. Step 5: Solve for x
    x = 65,378,751,164.37/349,372.61
  6. Step 6: Final answer
    x = 187,131.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.